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    • 3. 发明申请
    • Nanosensor array for electronic olfaction
    • 用于电子嗅觉的纳米传感器阵列
    • US20100323925A1
    • 2010-12-23
    • US11541794
    • 2006-10-02
    • Jean-Christophe P. GabrielVikram JoshiSergei SkarupoAlexander StarDavid Thomas
    • Jean-Christophe P. GabrielVikram JoshiSergei SkarupoAlexander StarDavid Thomas
    • C40B60/12
    • B82Y30/00B82Y15/00G01N27/4146
    • A detector system is described including arrays having a plurality of nanoelectronic sensors comprising a channel including a nanostructured element disposed on a substrate, the nanostructured element functionalized by one or more materials disposed on or adjacent to the nanostructured element so as to operatively influence one or more sensor electrical properties. In certain embodiments, the nanostructured element comprise one or more nanotubes, and the functionalization material may include nanoparticles composed of one or more metals, metal oxides, salts, or other inorganic or organic materials or composites of these.In one exemplary embodiment, an array includes plurality of sensors which are configured as field effect transistors, the nanostructured element comprising a randomly dispersed interconnecting network of single-walled carbon nanotubes (SWNTs) having semiconducting properties, and functionalized by deposition of metallic nanoparticles comprising one or more metallic elements. The deposition of nanoparticles may be controlled to preserve semiconductive properties of the nanotubes. Novel methods of electrodeposition of such nanoparticles are described.The detector system may be configured to distinguish and detect a range of different analyte species by measurement of the responses of a plurality of sensors of the array, and analyzing the measurements using principal component analysis, pattern-recognition analysis tools, and the like. Example analytes may comprise a plurality of organic and inorganic gases, such as are relevant to medical, industrial, environmental and security detection.
    • 描述了一种检测器系统,其包括具有多个纳米电子传感器的阵列,该多个纳米电子传感器包括通道,该通道包括设置在基底上的纳米结构元件,该纳米结构元件由设置在纳米结构元件上或其上的一种或多种材料功能化,以便可操作地影响一个或多个 传感器电气特性。 在某些实施方案中,纳米结构元件包含一个或多个纳米管,并且官能化材料可以包括由一种或多种金属,金属氧化物,盐或其它无机或有机材料或这些的复合材料组成的纳米颗粒。 在一个示例性实施例中,阵列包括配置为场效应晶体管的多个传感器,纳米结构元件包括具有半导体性质的单壁碳纳米管(SWNT)的随机分散的互连网络,并且通过沉积包含一个 或更多的金属元素。 可以控制纳米颗粒的沉积以保持纳米管的半导体性质。 描述了这种纳米颗粒的电沉积的新方法。 检测器系统可以被配置为通过测量阵列的多个传感器的响应并且使用主成分分析,模式识别分析工具等分析测量来区分和检测不同分析物种的范围。 示例性分析物可以包括多种有机和无机气体,例如与医疗,工业,环境和安全性检测相关的。